CN109506876A - Temperature lamination simulator and method in a kind of atmospheric boundary layer environmental wind tunnel - Google Patents
Temperature lamination simulator and method in a kind of atmospheric boundary layer environmental wind tunnel Download PDFInfo
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- CN109506876A CN109506876A CN201811441378.XA CN201811441378A CN109506876A CN 109506876 A CN109506876 A CN 109506876A CN 201811441378 A CN201811441378 A CN 201811441378A CN 109506876 A CN109506876 A CN 109506876A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/02—Wind tunnels
- G01M9/04—Details
Abstract
The present invention provides temperature lamination simulator and method in a kind of atmospheric boundary layer environmental wind tunnel, and described device includes: the temperature of incoming flow control system for being mounted on wind-tunnel stable section, the temperature vehicle for the front end for being mounted on experimental section and is placed at least one piece of wind tunnel experiment section hole body bottom and can heat cooling floor；The temperature vehicle is layered structure, is layered in vertical direction, and triangular fin formula heat tape is installed in every layer of channel, and every layer is an independent small electric heater, is separated by upper and lower heat-insulating shield；The temperature vehicle is detachable structure in device.Device and method provided by the invention can be realized the simulation to stable stratification, neutral line knot and unstable stratification by that temperature of incoming flow control system, temperature vehicle and can heat cooling floor and take different parameters.
Description
Technical field
The present invention relates to temperature lamination simulator and methods in a kind of atmospheric boundary layer environmental wind tunnel.
Background technique
The diffusion mobility problem of radioactive substance in an atmosphere, environmental impact assessment, risk assessment, core in nuclear facilities factory site
Damage sequence evaluation has been a concern with emergency response and on-radiation pollutant environmental impact assessment field.
Research for problems, there are mainly three types of means: field test, wind tunnel experiment and numerical simulation.Scene examination
The real result tested, but experimental condition is uncontrollable, can not reappear, spend cost high and spend the time long etc..Numerical simulation
Experiment condition is controllable, repeatability is strong, spends cost is small and the period is short etc., but its result has to pass through observation or experimental verification
It is only effective.And wind tunnel experiment has the authenticity of field test and the predictability of numerical simulation, therefore wind tunnel experiment exists
The problem of studying this respect plays an important role.
Currently, the domestic wind tunnel experimental research for having carried out largely being directed to pollutant Atmospheric Diffusion problem, however such wind-tunnel
Experiment is to carry out under the conditions of neutral line knot, but real atmosphere is really not so, according to built and proposed factory, nuclear power plant, China
Location meteorological measuring, it is non-neutral atmosphere occur that Coastal Nuclear Power Plant's Site, which has the time of 32~58% (according to δ T~u classification),
Layer knot, some inland nuclear power plant site ratios are up to 63~73%.And the case where polluting most serious, is frequently experienced in stable stratification
Under the conditions of, and stability will affect speed, temperature and rapids in thickness, structure and the boundary layer of atmospheric boundary layer (ABL)
Profile is flowed, so stability and temperature lamination feature are important, they play master for pollutant diffusion problem in real atmosphere
It acts on.
Therefore, it is necessary to which invention is established to the simulation method device and method of temperature lamination in environmental wind tunnel on to solve
State problem.
Summary of the invention
In view of the deficiencies in the prior art, the object of the present invention is to provide a kind of atmospheric boundary layer environmental wind tunnel medium temperatures
Layer knot simulator and method are spent, by temperature of incoming flow control system, temperature vehicle and cooling floor can be heated taking different ginsengs
Number, can be realized the simulation to stable stratification, neutral line knot and unstable stratification.
To achieve the above objectives, the technical solution adopted by the present invention is that:
Temperature lamination simulator in a kind of atmospheric boundary layer environmental wind tunnel, described device include:
Be mounted on the temperature of incoming flow control system of wind-tunnel stable section, the front end for being mounted on experimental section temperature vehicle and be placed on
At least one piece of wind tunnel experiment section hole body bottom can heat cooling floor；
The temperature vehicle is layered structure, is layered in vertical direction, the electric heating of triangular fin formula is installed in every layer of channel
Band, every layer is an independent small electric heater, is separated by upper and lower heat-insulating shield；
The temperature vehicle is detachable structure in device.
Further, the temperature of incoming flow control system is elliptical rectangular finned pipe formula structure.
Further, the temperature vehicle is divided into 21 layers in vertical direction；
Temperature vehicle bottom further includes movable pulley, and the movable pulley is fixed by telescopic rod and temperature vehicle shell.
Further, the temperature vehicle further includes temperature sensor, the temperature sensor and each small electric heating
Device individually connects, and the outlet temperature range of each small electric heater is 10 DEG C~85 DEG C.
Further, the temperature vehicle further includes flow straightening grid, the flow straightening grid be set to every layer small electric heater it
Between.
Further, for the cooling ground intralamellar part that heats equipped with heat exchanger, gas flow temperature range that treated is 10
℃-90℃。
Further, described device further includes water circulation system, and the water circulation system is located at outside wind-tunnel, by pipeline and
Valve heats cooling floor and connects with described.
Temperature lamination analogy method in a kind of atmospheric boundary layer environmental wind tunnel, which is characterized in that the method includes following
Step:
(1) according to default quasi- adjustment curve temperature difference, parameter setting is carried out to temperature of incoming flow control system, when the temperature difference is less than
30 DEG C, by temperature of incoming flow control within the scope of 4-7 DEG C；
(2) etc. temperature of incoming flow are in when stablizing, and quasi- adjust temperature lamination curve calculated value layering setting temperature according to default
Vehicle temperature, TL=TTP*1.2, wherein TL is every layer of setting temperature value of temperature vehicle, and TTP is quasi- adjusting temperature curve calculated value；
(3) by can heating floor temperature setting be quasi- 0.8 times for adjusting temperature curve calculated result.
Further, when the temperature difference is greater than 30 DEG C, by temperature of incoming flow control within the scope of 8-10 DEG C.
Further, after preset time period, according to the warm profile form of wind direction Region Of Interest, to temperature vehicle and/or can add
The cooling floor of heat is finely adjusted.
Effect of the invention is that using temperature lamination simulator in atmospheric boundary layer environmental wind tunnel provided by the invention
And method can be realized by that temperature of incoming flow control system, temperature vehicle and can heat cooling floor and take different parameters to steady
The simulation of given layer knot, neutral line knot and unstable stratification.
Detailed description of the invention
Fig. 1 is the side view of one embodiment of device of the present invention；
Fig. 2 is the structural schematic diagram of one embodiment of temperature vehicle in Fig. 1；
Fig. 3 is the flow diagram of one embodiment of the method for the invention；
Fig. 4 is x=0, temperature profile (the linear forms T at different xm=11+63.2Z)；
Fig. 5 is x=0, temperature profile (the linear forms T at different ym=11+63.2Z)；
Fig. 6 is y=0, temperature profile (the linear forms T at different xm=18+29.8Z)；
Fig. 7 is x=0, temperature profile (the linear forms T at different ym=18+29.8Z)；
Fig. 8 is y=0, warm profile (the logarithmic form T at different xm=4ln (Z)+46)；
Fig. 9 is x=0, warm profile (the logarithmic form T at different ym=4ln (Z)+46).
Specific embodiment
To keep the technical problems solved, the adopted technical scheme and the technical effect achieved by the invention clearer, below
It will the technical scheme of the embodiment of the invention will be described in further detail in conjunction with attached drawing.Obviously, described embodiment is only
It is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without making creative work, belongs to the scope of protection of the invention.
Refering to fig. 1, Fig. 1 is the side view of one embodiment of device of the present invention.Described device includes: that be mounted on wind-tunnel steady
Determine the temperature of incoming flow control system 1 of section, the front end for being mounted on experimental section temperature vehicle 2 and be placed on wind tunnel experiment section hole body bottom
Heat cooling floor 3.
The simulator of temperature lamination in atmospheric boundary layer environmental wind tunnel provided by the invention is the benefit under set wind field
With incoming flow temperature control system 1, temperature vehicle 2 and it can heat and cooperate to realize the mould to temperature lamination between cooling floor 3
It is quasi-.Its specific works mechanism concrete thought are as follows:
The external world is entered wind first in the case of keeping a certain set wind field, using temperature of incoming flow control system 1 by wind-tunnel
The air-flow in hole carries out unified cooling, is cooled to a certain steady temperature, when the air-flow of a certain steady temperature can quilt through excess temperature vehicle 2
It is uniformly heated, including gradient-heated or isothermal heating, then by the way that after can heating cooling floor 3, bottom temp gradient can be sent out
Changing, wind direction forms the temperature lamination curve being concerned about under test chamber.
Wherein, temperature of incoming flow control system 1 is used to adjust ambient temperature field and forms stable temperature lamination and taken
Between length, the different layers temperature of temperature vehicle 2 is mainly used for adjusting bulk temperature layer knot curve, and it is main can to heat cooling floor 3
For adjusting in boundary layer close to the temperature lamination curve on floor and the underlying surface of simulation different temperatures.
The main purpose that temperature of incoming flow control system 1 is arranged is to guarantee all to be in into the air-flow of wind turbine apparatus
Same temperature.The temperature of incoming flow control system 1 is elliptical rectangular finned pipe formula structure.The temperature of incoming flow control system 1 enters
Mouth air themperature is atmospheric temperature, and outlet temperature is adjustable, and minimum temperature is up to 4 DEG C.Cooling power about 300KW or so, resistance is about
120Pa。
Referring to Fig.2, Fig. 2 is the structural schematic diagram of one embodiment of temperature vehicle.
The main purpose that temperature vehicle 2 is arranged is to realize and be layered to the air-flow by temperature of incoming flow control system 1
Heating (gradient temperature) or entirety are evenly heated.The temperature vehicle 2 is layered structure, is layered in vertical direction, in every layer of channel
Triangular fin formula heat tape 22 is installed, every layer is an independent small electric heater, is separated by upper and lower heat-insulating shield 23.Through
Cross experiment measurement, it is preferred that temperature vehicle 2 includes 21 layers of independent small electric heater altogether, and setting in this way is both able to satisfy reality
It tests demand and does not waste material.
The temperature vehicle 2 further includes temperature sensor 25, the temperature sensor 25 and each small electric heater list
Solely connection.Each small electric heater individually controls, the signal collected by temperature sensor 25, carries out by PID arithmetic module
Temperature control module is fed back to after operation, is changed heater wattage output, is reached set temperature, the outlet of each small electric heater
Temperature range be 10 DEG C~
85℃.Electric heater general power about 800kW, resistance about 150Pa.
For the uniformity for improving single-layer air leaving air temp, the temperature vehicle 2 further includes flow straightening grid 24, the honeycomb screen
Grid 24 are set between every layer small electric heater, are rectified.
2 bottom of temperature vehicle further includes movable pulley 26, and the movable pulley 26 is fixed by telescopic rod and 2 shell 21 of temperature vehicle.
Preferably, each 2 bottom of temperature vehicle includes 4 movable pulleys 26, and the height by adjusting telescopic rod can make temperature vehicle 2 meet difference
Height wind-tunnel.It should be appreciated that temperature vehicle 2 is that detachable structure can remove temperature vehicle 2 when not doing temperature simulation experiment
Wind-tunnel is replaced using empty wagons.
The purpose that cooling floor 3 can be heated by being arranged is in order to simulate different underlying surfaces, for simulating different atmospheric stabilities
The influence process to pollutant Atmospheric Diffusion is spent, and can be used for simulating land and sea breeze, the big air-flow of the complexity such as urban heat land effect
Dynamic and diffusion phenomena.It is described to heat inside cooling floor 3 equipped with heat exchanger, gas flow temperature range that treated is 10 DEG C-
90℃.Specifically, the inside that can heat cooling floor 3 is equipped with the heat exchanger of ratio-frequency welded tube.
Described device further includes water circulation system, and the water circulation system is located at outside wind-tunnel, passes through pipeline and valve and institute
Cooling floor 3 can be heated by, which stating, connects.When being passed through cold water to pipeline, cooling floor 3 can be heated and cool down wind-tunnel interior air-flow,
When being passed through hot water, air-flow is heated.
In described device include cooling floor 3 can be at least heated described in one piece, when include muti-piece can heat cooling floor 3
When, it is placed side by side along airflow direction that cooling floor 3 can be heated.
Through a large number of experiments, discovery utilizes the available different temperatures layer knot curve experiments side of device provided by the invention
Case.As shown in table 1, by incoming flow temperature control system 1, temperature vehicle 2 and cooling floor 3 can be heated according to the parameter in table 1 respectively
It is configured, by one stable time, available corresponding temperature lamination curve.Actual temp layer knot curve is referring to figure
4-9.Wherein, using center of turntable as origin, downstream direction is x positive direction, meets right-handed scale (R.H.scale) rule.According to the program,
When carrying out different temperatures layer knot simulation (for example carrying out linear forms stable stratification), it can be obtained preferably by simply debugging
Temperature lamination curve.
It is different from the prior art, temperature lamination simulator in a kind of atmospheric boundary layer environmental wind tunnel provided by the invention,
By to temperature of incoming flow control system, temperature vehicle and cooling floor can be heated taking different parameters, can be realized to stable stratification,
The simulation of neutral line knot and unstable stratification.
It is the flow diagram of one embodiment of the method refering to Fig. 3, Fig. 3.A kind of atmospheric boundary layer provided by the invention
Temperature lamination analogy method in environmental wind tunnel the following steps are included:
Step 101: according to default quasi- adjustment curve temperature difference, parameter setting being carried out to temperature of incoming flow control system, works as temperature
Difference is less than 30 DEG C, by temperature of incoming flow control within the scope of 4-7 DEG C.
First under uniform flow field, according to default quasi- adjustment curve, set first to temperature of incoming flow control progress parameter
It sets.Its temperature difference is calculated according to the maximum value of default quasi- adjustment curve and minimum value, when the temperature difference is less than 30 DEG C, by temperature of incoming flow control
System is within the scope of 4-7 DEG C.When the temperature difference is greater than 30 DEG C, by temperature of incoming flow control within the scope of 8-10 DEG C.
Step 102: waiting temperature of incoming flow in when stablizing, be arranged according to default quasi- adjusting temperature lamination curve calculated value layering
Temperature vehicle temperature, TL=TTP*1.2, wherein TL is every layer of setting temperature value of temperature vehicle, and TTP is that the quasi- temperature curve that adjusts calculates
Value.
First according to temperature vehicle in temperature lamination simulator in above-mentioned atmospheric boundary layer environmental wind tunnel in vertical every layer of thickness
Degree is converted to every layer of height, is that the quasi- temperature curve calculated value that adjusts obtains the temperature value of different height further according to TTP, finally
Every layer of setting temperature value of temperature vehicle is obtained according to TL=TTP*1.2.
Step 103: by can heating floor temperature setting be quasi- 0.8 times for adjusting temperature curve calculated result.
When including that muti-piece can heat cooling floor in device of the present invention, cooling floor can be heated along airflow direction
It is placed side by side, so heat cooling floor in the same horizontal line, therefore the temperature in experiment simulation of atmospheric boundary layer environmental wind tunnel
When layer knot, it is only necessary to be both configured to same temperature value.Specifically, can heating floor temperature setting be that quasi- to adjust temperature bent
0.8 times of line computation result.Similar with temperature vehicle temperature setting, specific setting value needs to be turned according to height where device
It changes.
After the completion of setting to unit temp, the method also includes waiting steady air currents to get off, root after preset time period
According to the warm profile form of wind direction Region Of Interest, to temperature vehicle and/or cooling floor can be heated it is finely adjusted, to reach experiment mesh
's.
The attainable beneficial effect of institute of the invention is illustrated with a specific embodiment below.Refering to Fig. 4-9 and table 1,
Fig. 4 is x=0, temperature profile (the linear forms T at different xm=11+63.2Z)；Fig. 5 is x=0, and the temperature at different y is wide
Line (linear forms Tm=11+63.2Z)；Fig. 6 is y=0, temperature profile (the linear forms T at different xm=18+29.8
Z)；Fig. 7 is x=0, temperature profile (the linear forms T at different ym=18+29.8Z)；Fig. 8 is y=0, the temperature at different x
Profile (logarithmic form Tm=4ln (Z)+46)；Fig. 9 is x=0, warm profile (the logarithmic form T at different ym=4ln (Z)+
46), table 1 is a kind of experimental program of temperature lamination wind tunnel simulation.
Table 1
Continued 1
In Fig. 4-9, three reference axis that x, y, z is established by experimental wind tunnel, x be inverse airflow direction, y in the horizontal plane with
X vertical direction, z vertical-horizontal face upward.It include 3 kinds of quasi- adjustment curves: T in the present embodimentm=18+29.8Z, Tm=11+
63.2Z and Tm=4ln (Z)+46, wherein z to unit is rice.
Temperature difference is calculated according to default quasi- adjustment curve first, due to Tm=18+29.8Z and Tm+ 46 temperature of=4ln (Z)
Difference is set as 4 DEG C less than 30 DEG C, by temperature of incoming flow, TmTemperature difference is greater than 30 DEG C in=11+63.2Z, and temperature of incoming flow is set
It is 8 DEG C.
Temperature vehicle temperature is arranged according to default quasi- adjusting temperature lamination curve calculated value layering in when stablizing in equal temperature of incoming flow
Degree.Temperature vehicle has 21 layers in device, is respectively every layer of assignment according to its height.If the first layer height is 40 millimeters, converted
It is calculated for Z=0.04 meters.Then by can heating floor temperature setting be quasi- 0.8 times for adjusting temperature curve calculated result.
Equal steady air currents get off, and according to the warm profile form of wind direction Region Of Interest, to temperature vehicle or can heat cooling floor and are finely adjusted,
To reach experiment purpose.The set temperature of specific device is as shown in table 1, and experimental result is as shown in figures 4-9.In other embodiments
Temperature vehicle can also be adjusted simultaneously or can heat cooling floor, it is not limited here.
It is different from the prior art, temperature lamination analogy method in a kind of atmospheric boundary layer environmental wind tunnel provided by the invention,
Experiment quickly can be reached according to the default quasi- temperature curve that adjusts when temperature lamination in testing simulation of atmospheric boundary layer environmental wind tunnel
Effect.
It will be understood by those skilled in the art that device and method of the present invention is not limited to institute in specific embodiment
The embodiment stated, specific descriptions above are intended merely to explain the purpose of the present invention, are not intended to limit the present invention.This field skill
Art personnel can derive other implementation manners according to the technical scheme of the present invention, and also belong to the scope of the technical innovation of the present invention, this
The protection scope of invention is defined by the claims and their equivalents.
Claims (10)
1. temperature lamination simulator in a kind of atmospheric boundary layer environmental wind tunnel, which is characterized in that described device includes:
Be mounted on the temperature of incoming flow control system of wind-tunnel stable section, the front end for being mounted on experimental section temperature vehicle and be placed on wind-tunnel
At least one piece of experimental section hole body bottom can heat cooling floor；
The temperature vehicle is layered structure, is layered in vertical direction, triangular fin formula heat tape is installed in every layer of channel, often
Layer is an independent small electric heater, is separated by upper and lower heat-insulating shield；
The temperature vehicle is detachable structure in device.
2. temperature lamination simulator in a kind of atmospheric boundary layer environmental wind tunnel according to claim 1, which is characterized in that
The temperature of incoming flow control system is elliptical rectangular finned pipe formula structure.
3. temperature lamination simulator in a kind of atmospheric boundary layer environmental wind tunnel according to claim 1, which is characterized in that
The temperature vehicle is divided into 21 layers in vertical direction；
Temperature vehicle bottom further includes movable pulley, and the movable pulley is fixed by telescopic rod and temperature vehicle shell.
4. temperature lamination simulator in a kind of atmospheric boundary layer environmental wind tunnel according to claim 1, which is characterized in that
The temperature vehicle further includes temperature sensor, and the temperature sensor is individually connect with each small electric heater, institute
The outlet temperature range for stating each small electric heater is 10 DEG C~85 DEG C.
5. temperature lamination simulator in a kind of atmospheric boundary layer environmental wind tunnel according to claim 1, which is characterized in that
The temperature vehicle further includes flow straightening grid, and the flow straightening grid is set between every layer small electric heater.
6. temperature lamination simulator in a kind of atmospheric boundary layer environmental wind tunnel according to claim 1, which is characterized in that
For the cooling ground intralamellar part that heats equipped with heat exchanger, gas flow temperature range that treated is 10 DEG C -90 DEG C.
7. temperature lamination simulator in a kind of atmospheric boundary layer environmental wind tunnel according to claim 1, which is characterized in that
Described device further includes water circulation system, and the water circulation system is located at outside wind-tunnel, by pipeline and valve and it is described can
Heat cooling floor connection.
8. temperature lamination analogy method in a kind of atmospheric boundary layer environmental wind tunnel, which is characterized in that the method includes following steps
It is rapid:
(1) according to default quasi- adjustment curve temperature difference, parameter setting is carried out to temperature of incoming flow control system, when the temperature difference is less than 30
DEG C, by temperature of incoming flow control within the scope of 4-7 DEG C；
(2) etc. temperature of incoming flow are in when stablizing, and quasi- adjust temperature lamination curve calculated value layering setting temperature vehicle temperature according to default
Degree, TL=TTP*1.2, wherein TL is every layer of setting temperature value of temperature vehicle, and TTP is quasi- adjusting temperature curve calculated value；
(3) by can heating floor temperature setting be quasi- 0.8 times for adjusting temperature curve calculated result.
9. temperature lamination analogy method in a kind of atmospheric boundary layer environmental wind tunnel according to claim 8, which is characterized in that step
Suddenly parameter setting is carried out to temperature of incoming flow control system described in (1) further include:
When the temperature difference is greater than 30 DEG C, by temperature of incoming flow control within the scope of 8-10 DEG C.
10. temperature lamination analogy method in a kind of atmospheric boundary layer environmental wind tunnel according to claim 8, which is characterized in that
The method also includes:
After preset time period, according to the warm profile form of wind direction Region Of Interest, to temperature vehicle and/or cooling floor progress can be heated
Fine tuning.
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| CN201811441378.XA CN109506876B (en) | 2018-11-29 | 2018-11-29 | Temperature layer junction simulation device and method in atmospheric boundary layer environment wind tunnel |
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| CN201811441378.XA CN109506876B (en) | 2018-11-29 | 2018-11-29 | Temperature layer junction simulation device and method in atmospheric boundary layer environment wind tunnel |
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| CN110702357A (en) * | 2019-10-30 | 2020-01-17 | 华南理工大学 | Hot and humid climate wind tunnel and multi-field coupling control system thereof |
| CN111881630A (en) * | 2020-06-22 | 2020-11-03 | 中国辐射防护研究院 | System and method for establishing near-field environment simulation numerical wind tunnel of nuclear facility |
| CN112178637A (en) * | 2020-08-17 | 2021-01-05 | 上海交通大学 | Flame stabilizing device convenient to adjust incoming flow |
| CN112556974A (en) * | 2020-12-08 | 2021-03-26 | 中国空气动力研究与发展中心设备设计及测试技术研究所 | Large-scale heat-resisting little flat braced frame structure of multilayer that warp |
| CN113701983A (en) * | 2021-10-11 | 2021-11-26 | 中国辐射防护研究院 | Device applied to temperature field simulation in environmental wind tunnel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110702357A (en) * | 2019-10-30 | 2020-01-17 | 华南理工大学 | Hot and humid climate wind tunnel and multi-field coupling control system thereof |
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| CN111881630B (en) * | 2020-06-22 | 2023-09-15 | 中国辐射防护研究院 | System and method for establishing near-field environment simulation numerical wind tunnel of nuclear facility |
| CN112178637A (en) * | 2020-08-17 | 2021-01-05 | 上海交通大学 | Flame stabilizing device convenient to adjust incoming flow |
| CN112178637B (en) * | 2020-08-17 | 2021-08-03 | 上海交通大学 | Flame stabilizing device convenient to adjust incoming flow |
| CN112556974A (en) * | 2020-12-08 | 2021-03-26 | 中国空气动力研究与发展中心设备设计及测试技术研究所 | Large-scale heat-resisting little flat braced frame structure of multilayer that warp |
| CN113701983A (en) * | 2021-10-11 | 2021-11-26 | 中国辐射防护研究院 | Device applied to temperature field simulation in environmental wind tunnel |
| CN113701983B (en) * | 2021-10-11 | 2023-11-03 | 中国辐射防护研究院 | Device applied to temperature field simulation in environmental wind tunnel |
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